Installation Procedure

Important:  The new PES switch comes with a position lock pin that is installed on top of the PES switch. This locks the timing gears in place. Do not remove this pin until after you have installed the PES switch and the actuator.

1. Keeping the position lock pin in the new PES switch, position the PES switch over the drive cables and press down.

   If the PES switch does not slide into position, the ridges on the drive cable housings will not go into the grooves on the back of the PES switch. Lift each cable into the PES switch, and press down on the PES switch assembly.

   Fig 1: PES Switch

   Courtesy of GENERAL MOTORS CORP.
   NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
2. Install the Position Encoding Switch screw (2) to the switch.

   Tighten 

   Tighten the Position Encoding Switch screw to 2 N.m (18 lb in).

3. Connect the electrical connector to the PES switch.
4. Install the sunroof actuator. Refer to Sunroof Actuator Replacement .
5. Remove the position lock pin (1) or the two wires from the PES switch.
   Fig 2: Position Lock Pin

   Courtesy of GENERAL MOTORS CORP.
6. Remove the two pins from the cable mechanisms and/or from the cam mechanisms.
   NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
7. Install the left and right front sunroof glass panel screws.

   Tighten 

   Tighten the front sunroof glass panel screws to 4 N.m (35 lb in).

8. Install the sunroof module, but do not install the headliner until after you have tested the sunroof operation. Refer to Power Sunroof Module Replacement .
9. Inspect the operation of the sunroof.
10. Install the headliner. Refer to HEADLINER REPLACEMENT in Interior Trim.
    Fig 3: J 41718 Sunroof Timing Pins

    Courtesy of GENERAL MOTORS CORP.